Mildew Stain Blocker with Nano Tech Barrier - 22 ozPrevents mold and mildew stains from forming on treated surfaces. Designed for marine and outdoor applications. The nano-tech barrier provides lasting protection against stain recurrence.Directions:If the surface presently has mildew stains, first use Star brite Mildew Stain Remover to clean the area before applying Star brite Mildew Stain Blocker. Spray onto surfaces to be treated and allow to air-dry. Wipe up any overspray. Reapply monthly. Note: Test for effect on color in an inconspicuous area before treating the entire area. If an adverse effect is noted, do not continue use. Manufacturers liability is limited to the purchase price of this product.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Truck Freight: No Oversized: No